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- #include<stdio.h>;
- #include<math.h>;
- void main()
- {float a,b,c,disc,x1,x2,realpart,imagpart;
- scanf("%d,%d,%d",&a,&b,&c);
- printf("方程");
- if(fabs(a)<=1e-6)
- printf("无解");
- else
- {disc=b*b-4*a*c;
- if(fabs(disc)<=1e-6) printf("有两个相等的解:%8.4f\n",-b/(2*a));
- else if(disc>;1e-6)
- {x1=(-b+sqrt(disc))/(2*a);
- x2=(-b-sqrt(disc))/(2*a);
- printf("有两个不相等的解:%8.4f和%8.4f\n",x1,x2);
- }
- else
- {realpart=-b/(2*a);
- imagpart=sqrt(-disc)/(2*a);
- printf("有两个不相等的复根:\n");
- printf("%8.4f+%8.4fi\n",realpart,imagpart);
- printf("%8.4f-%8.4fi\n",realpart,imagpart);
- }
- }
- }
复制代码 编译也通过了,问题出在,我在RUN时,输入几组值,得到的都是"方程无解",想不通错在什么地方了 |
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